Grantosa Wind ForecastUnited StatesWIMilwaukee CountyGrantosa1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Grantosa wind forecast issued today at 8:38 pm. Next forecast at approx. 8:38 am.Grantosa Wind Statistics November WindMilwaukee-Timmerman (1.2 miles)2025OctoberNovemberStrongest – Average November–Strongest 19 October, 202519.7mph NWAverage October8.4mphStrongest 15 March, 202525.3mph WSWAverage 20259.2mphClimate (2010–Present)Milwaukee-Timmerman (1.2 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 5 November, 202225.3mph SWAverage 2020–20258.3mphGet WillyWeather+ to remove ads